{"id":3576,"date":"2014-11-26T13:02:37","date_gmt":"2014-11-26T18:02:37","guid":{"rendered":"http:\/\/sciencemediacentre.ca\/site\/?p=3576"},"modified":"2014-11-27T08:54:01","modified_gmt":"2014-11-27T13:54:01","slug":"un-air-conditionne-spatial","status":"publish","type":"post","link":"http:\/\/sciencemediacentre.ca\/site\/un-air-conditionne-spatial\/","title":{"rendered":"Un air conditionn\u00e9 spatial"},"content":{"rendered":"<p><a href=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/04\/CCSM-FRE-Centred.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1073\" src=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/04\/CCSM-FRE-Centred.png\" alt=\"CCSM-FRE-Centred\" width=\"232\" height=\"112\" \/><\/a><\/p>\n<p>Des chercheurs viennent d\u2019inventer un dispositif de refroidissement \u00e0 installer sur le toit d\u2019une maison qui fonctionne en plein soleil, sans \u00e9lectricit\u00e9, en r\u00e9fl\u00e9chissant le rayonnement thermique dans l\u2019espace.<\/p>\n<p>Les auteurs ont cr\u00e9\u00e9 un r\u00e9flecteur solaire multicouche compos\u00e9 de dioxyde de hafnium (HfO<sub>2<\/sub>) et de dioxyde de silicium (SiO<sub>2<\/sub>) capable de r\u00e9fl\u00e9chir 97% de la lumi\u00e8re du soleil dans une fr\u00e9quence appel\u00e9e la fen\u00eatre de transparence infrarouge (ou \u00ab\u00a0infrared atmospheric window\u00a0\u00bb). \u00c0 cette fr\u00e9quence, les infrarouges ne r\u00e9chauffent pas l\u2019atmosph\u00e8re et retournent directement dans la \u00ab\u00a0froide noirceur de l\u2019univers\u00a0\u00bb.<\/p>\n<p>Ce dispositif peut refroidir un immeuble de 5 degr\u00e9s Celsius en bas de la temp\u00e9rature ambiante.<\/p>\n<p>Pour lire l\u2019article original publi\u00e9 dans <em>Nature\u00a0<\/em>le\u00a0<b><span lang=\"FR-CA\">26 novembre<\/span><\/b><b><span lang=\"FR-CA\">\u00a02014<\/span><\/b>,\u00a0<a href=\"http:\/\/www.nature.com\/nature\/journal\/v515\/n7528\/full\/nature13883.html\" target=\"_blank\"><span style=\"text-decoration: underline;\">cliquez ici<\/span><\/a>.<\/p>\n<p><span style=\"text-decoration: underline;\"><em><strong>Auteur \u00e0 contacter pour plus d\u2019information<\/strong><\/em><\/span><\/p>\n<h4><span style=\"text-decoration: underline;\"><span lang=\"EN-US\"><a href=\"http:\/\/web.stanford.edu\/group\/fan\/\" target=\"_blank\"><span lang=\"FR-CA\">Shanhui Fan<\/span><\/a><\/span><\/span><span lang=\"FR-CA\">, Universit\u00e9 Stanford, USA<\/span><\/h4>\n","protected":false},"excerpt":{"rendered":"<p>Des chercheurs viennent d\u2019inventer un dispositif de refroidissement \u00e0 installer sur le toit d\u2019une maison qui fonctionne en plein soleil, sans \u00e9lectricit\u00e9, en r\u00e9fl\u00e9chissant le rayonnement thermique dans l\u2019espace. Les auteurs ont cr\u00e9\u00e9 un r\u00e9flecteur solaire multicouche compos\u00e9 de dioxyde de hafnium (HfO2) et de dioxyde de silicium (SiO2) capable de r\u00e9fl\u00e9chir 97% de la [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[531],"tags":[388,660,683,1012],"class_list":["post-3576","post","type-post","status-publish","format-standard","hentry","category-paper-of-interest-fr","tag-changements-climatiques","tag-energie","tag-environnement","tag-technologie"],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p4DqbN-VG","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/3576","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/comments?post=3576"}],"version-history":[{"count":2,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/3576\/revisions"}],"predecessor-version":[{"id":3596,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/3576\/revisions\/3596"}],"wp:attachment":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/media?parent=3576"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/categories?post=3576"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/tags?post=3576"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}